:root {
    --bg: #262524;
    --panel: #3c3c3c;
    --text: #ffffff;
    --muted: #cccccc;
    --gold: #d4a15f;
    --border: #ffffff33;
    --surface: #1f1e1d;
    --brand-mark: var(--text);
}

[data-theme="day"] {
    --bg: #ffffff;
    --text: #262524;
    --panel: #f5f5f5;
    --muted: #666666;
    --gold: #d4a15f;
    --border: #00000033;
    --surface: #eeeeee;
    --brand-mark: var(--gold);
}

[data-theme="eye"] {
    --bg: #F1F0DA;
    --text: #262524;
    --panel: #e0dfc8;
    --muted: #666666;
    --gold: #d4a15f;
    --border: #00000033;
    --surface: #d0cfb8;
    --brand-mark: var(--gold);
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background: var(--bg);

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 24px 0;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 20px;

        .brand-mark {
            display: flex;
            align-items: center;
            border: 3px solid var(--brand-mark);
            border-radius: 50px;
            padding: 0 12px;
            height: 50px;
            width: 50px;
            justify-content: center;
        }

        .brand-e {
            display: block;
            color: var(--brand-mark);
            font-family: Poppins, Arial, Helvetica, sans-serif;
            font-weight: 700;
            font-size: 32px;
            justify-content: center;
            transform: skew(-25deg);
        }

        .brand-er {
            color: var(--text);
            font-family: Poppins, Arial, Helvetica, sans-serif;
            font-size: 24px;
            transform: skew(-25deg);
        }
    }

    .nav {
        display: flex;
        align-items: center;
        gap: 80px;

        .nav-link {
            color: var(--text);
            text-decoration: none;
            font-size: 14px;
            padding: 10px 14px;

            &.nav-cta {
                border-radius: 10px;
                background: var(--gold);
                color: #fff;
            }
        }
    }
}

.site-footer {
    background: url('../.figma/image/mi2ibm6f-8pcf04q.png') center/cover no-repeat;
    color: #f4f4f4;
    position: relative;

    * {
        z-index: 10;
    }

    .footer-mask {
        z-index: 0 !important;
        background-color: #262524e0;
        position: absolute;
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
    }

    .footer-top {
        display: flex;
        justify-content: space-between;
        padding: 40px 240px 60px 240px;
        position: relative;

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 20px;

            .footer-title {
                font-weight: 600;
                text-decoration: underline;
            }

            .footer-item {
                color: var(--text);
            }
        }

        .footer-help {
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--text);
            width: 36px;
            height: 36px;
            position: absolute;
            bottom: 75px;
            right: 93px;

            img {
                width: 14px;
                height: 14px;
            }
        }
    }

    .footer-line {
        box-shadow: 0px 1px 1px 0px rgb(239, 239, 239);
        border: 1px solid #000000;
        width: 100vw;
        height: 0px;
    }

    .footer-bottom {
        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 240px;

            .follow {
                display: flex;
                align-items: center;
                gap: 12px;

                img {
                    width: 20px;
                    height: 20px;
                }
            }

            .footer-bottom-right {
                display: flex;
                gap: 78px;

                .copyright {
                    color: #f4f4f4;
                }

                .locale {
                    display: flex;
                    gap: 12px;
                    color: #f0f0f3;
                }
            }
        }
    }
}

.share {
    font-family: Roboto, Roboto;
    font-size: 14px;
    line-height: 22px;
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;

    img {
        width: 48px;
        height: 48px;
    }
}

.section {
    margin: 170px 240px 50px;

    .container {
        display: flex;
        gap: 25px;

        .catalogue {
            border-radius: 20px;
            border: 1px solid var(--panel);
            padding: 30px;
            width: 410px;
            position: sticky;
            top: 98px;

            .title,
            .sub,
            .desc {
                font-family: Inter, Inter;
                font-weight: 500;
            }

            .title {
                font-size: 20px;
                line-height: 22px;
            }

            .line {
                width: 100%;
                height: 1px;
                background-color: var(--panel);
                margin: 30px 0;
            }

            .list {
                display: flex;
                flex-direction: column;
                gap: 30px;

                .subtitle {
                    font-size: 16px;
                    line-height: 24px;
                    display: flex;
                    flex-direction: column;
                    gap: 6px;

                    .sub {
                        font-size: 16px;
                        line-height: 24px;
                    }

                    .desc {
                        font-weight: 400;
                        font-size: 14px;
                        line-height: 22px;
                        white-space: nowrap;
                        overflow: hidden;
                        text-overflow: ellipsis;
                    }

                    &.active {
                        color: var(--gold);
                    }
                }
            }
        }

        .card {
            .section-title {
                font-family: Roboto, Roboto;
                font-weight: 600;
                font-size: 28px;
                line-height: 40px;
                margin-bottom: 30px;
                display: flex;
                justify-content: space-between;
                align-items: baseline;

                .btn {
                    display: flex;
                    gap: 60px;
                }
            }

            .sub {
                font-family: Inter, Inter;
                font-size: 14px;
                line-height: 22px;
            }

            .list {
                margin: 30px 0;
                display: flex;
                flex-direction: column;
                gap: 30px;

                .item {
                    display: flex;
                    flex-direction: column;
                    gap: 10px;
                    scroll-margin-top: 98px;

                    .title {
                        font-family: Inter, Inter;
                        font-weight: 500;
                        font-size: 20px;
                        line-height: 22px;
                    }

                    .desc {
                        font-family: Inter, Inter;
                        font-weight: 400;
                        font-size: 14px;
                        line-height: 22px;
                    }
                }
            }

            .help {
                font-family: Poppins, Poppins;
                font-size: 14px;
                line-height: 22px;
                display: flex;
                justify-content: center;
                align-items: center;
                gap: 6px;
                width: 100%;
                margin: 20px 0;
                border-top: 1px solid #3C3C3C;
                border-bottom: 1px solid #3C3C3C;

                img {
                    width: 18px;
                    height: 18px;
                }

                .bad {
                    transform: rotate(180deg);
                }
            }
        }
    }

    .floating {
        position: fixed;
        top: calc(50% - 12px);
        right: 220px;

        img {
            width: 24px;
            height: 24px;
        }
    }
}